Compact Miniature Current Transformer
We manufacture the miniature current transformers by high permeability soft iron cores and high grade enamel wires, and get very compact size and high linearity. The CTs which are wrapped by insulation tapes and heat-shrink sleeves, usually have more compact size and larger through-holes than plastic case CTs or metal sheild type CTs. Busbar built-in type CTs are more convenient for installation. We can assist in custom design current transformers, and provide samples within a couple of days.
Features
- 10(80)A/5mA, Rb=10Ω, turns ratio 1:2000
- Max current 80A, accuracy 0.1 class
- Winding coil double insulated, OD Φ24.6mm
- U shape busbar 2-Φ5mm for mounting, distance 20mm
- Quick prototype development and sampling
Specifications
Part Number | MSB80-20B |
Description | Compact Miniature Current Transformer |
Structure Of Winding | Toroidal |
Phase | Single |
Input / Output | 10(80)A/5mA |
Max. Current | 80 A |
Turns Ratio (typical) | 1:2000 |
Burden (Rb) | 10 Ω |
Accuracy Class | 0.1 Class |
Phase Shift Error | 5′ (20% Rated Current) |
Core Inside | High Permeability Nanocrystalline Core |
Encapsulation | Double Insulation |
Busbar Type | Built-in |
Mounting Method | Copper Rod |
Application | Meters, Instruments |
Accept Customized | Yes |
Dimensions

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Compact Miniature Current Transformer